Radiator thermostat



July 17, 1923.

A. I. KAPLON RADIATOR THERMOSTAT Filed July 2, 1920 mm 8 m M W Patented July 17, 1923.

UNITED STATES ABRAHAM ISAAG-K'APLON, OF BRUNSWICK, MARYLAND.

RADIATOR THERMOSTAT.

Application ,filcdtl'uly a,

To all whom it may concern:

Be it known that I, ABRAHAM IsAAc KAP- LON, a citizen of the United States, and a resident of Brunswick, in the county of Frederick and State of Maryland, have invented a new and useful Improvement in Radiator Thermostats, of which the followin is a specification.

y invention relates to improvements in radiator thermostats, and it consists in the constructions, combinations and. arrangements herein describedand claimed. An object of my invention is to provide a radiator thermostat including an incandescent lamp arranged to be lighted upon completion of the electric circuit when the mercury in the tube reaches a predetermined.

high or dangerous point indicating excessive heating of the engine, so that the operator of the on ine is warned in time.

Another ob ect of the invention is to rovide a radiator'thermostat asdescribe in i which the incandescent lamp is so embodied and in which the parts are so arranged, that the device maybe taken oil and temporarily used as a search light for hunting trouble about the engine 7 Other objects and advantages will'appear in the following specification,.reference being had tothe accompanying drawing, in which:

Figure 1 is a side elevation of the radiator thermostat, parts being shown in section.

Figure 2 is an elevation of the thermostat as it appears from the seat of the car, parts being shown in section.

Figure 3 is a cross section on the line ?-3 of Figure 2.

Figure 4 is a detail section of a. portion of the battery barrel; and

Fi re 5 is a perspective view illustrating 51 application of the device as a portable search light,

In carrying out my invention I provide a body 1 having the usual circular sight opening 2 near the top, through which the rising mercury 3 in the thermometer tube 4 becomes visible. The principal elements of the thermostat are of a well known construction, and the thermostat Q includes an externally threaded pendent sleeve 5 extending through the radiator ca 6 where it is secured in place by the nut i which is screwed upon the threaded sleeve as shown, into contact with the upper wall of the recess. in the cap 6. The lower end of the thermometer tube 4 1920. Serial No. 393,580.

glass is yet soft, with a head on the inside and an car 10 on the outside. The ear 10 of each contact 8 has a suitable nut 11 by means of which the wires are secured in place.

A lamp socket 12 is embedded in an insulating bushing 13 in the top of the body 1. The socket 12 includes an car 14 with a nut .15 beneath which the wire 16 from the ear 10 at the left side, is secured. Another wire 17 is secured between the nut 15, this wire leading to the fixed contact 18 of a push button which will presently be described.

A battery iii-consisting of a suitable number of cells, is located in the battery barrel 20 and furnishes the current for lighting the lamp. A wire 21 diagrammatically illustrated in Figure 2, leads from the positive poleof the battery to the contacts 8 at the right. The negative pole of the battery is grounded to the metallic portion of the body 1. One terminal of the lamp 9 is also grounded to the metal portion of the body 1. Upon rising of the mercury 3 in the tube 4 as reviously explained until the mercury bri gas the contacts 8, the electric circuit is completed and current from the battery flows thus; Uver the wire 21, through the contacts 8, over the wire 16 and through the lamp socket 12 to the metallic body 1 and fromthence' back to the negative pole of the battery. r l

The cells 19 of the battery are held in place in the barrel 20, by a screw cap 22 as illustrated in Figure 4. The arrangementof the internal contacts between the cells of the battery and the barrel 20, may be of any ordinary arrangement, the complete illustration of these contacts'within the barrel being thought to be unnecessary.

A hood 23 partly covers the lamp 9 and serves as a reflector for throwing the rays of -light downupon' the exposed portion of the thermometer tube 2. The hood 23 may be secured in place by any suitable means, a pair of cars being shown in Figure 2. In-

1 in tho ordinary rad. changes in the "tor can the reinovabi i' cidentaily it bony (lento omhor yiare unnecessary.

Another tieutu iii "e -"ion consists 'niity off the lament of tho electhernmstat and tric'oircuit 'tliz pioyed as a spot gilt oublo for huntm about-the engine, 'lwiforring tori re 9, it w ll. he oo'sorved that push button ranged to press a movable contact r which the button is niounta'dinto b gagemonl; n the fixed Contact is 1e Contact 18 is insulatod in In the bo heat-sch tl'il'l Wf to the movable '23: 22B is flows irorn over the wire 21,

contact 18 or socket; the i} no goo n3 on and i it he apprecmil-r motor add-22 by wind: origins able.

In such spot light h Elie Of LJUUD or r be fully understood bin to soription; in" to he of rynni advantage in lamp 5.3- a; the, to i 3 is illum natedwhen1 mined h and dangerous i l-ioretor'or there nus i llIQ-(lEiYCI the cor ooiild standing of the 'i-ury column consoqiioritly "r us mudii'i eons my n01 A in tho s hut o oi'ton riscn. By prodding" ii: root-bis E-C with tho wiposod bu i 1? 11hr; tho mom-m upon r and bridgix'ig tho (Kudzu-i: rom lrio tho olortric ill'tflil and ii nul, but also ifdl'lif IIIQIPUTY ltsolf actual. priutliuv, the wmtiris located at tho rr-quirod plop-is in [llir who he device hwy" he 21.

loot

Obviously ifthesituaition \yhrein they are 1 shown in the drawing is not correct, they may be placed lower. The lamp 9 is intended to be used both in daytime, and at Of course the lllumlnation of the night. mercury column when ,it rem-hos the pro determined h'gh and dangerous pointiwill not be conspicuous in the daytime as at night, but the ady'untuuvs derived from permitting the ligz hting oi tho lump in the (lilytime uro sufficient to overcome any otherwise elaboratenrrangenient for cutting out the lamp in the day-time.

'While the construction and arrangement of the radiator thermostat as illustrated in the accompanying drawing is that of a generally proiterred form, obviously, mdificutions andchanges may be made, Without departing from the spirit of the invention or' the scope of the. claims.

2: claim radiator thermostat comprising; 3.

i- It 'body, a tl'iennon'ieter tube containing 1nercury mounted on the. body, a battery barrel ZlOUllted'OlltSHltfiOftllQ body adjacent to the of said tube, glll incandescent lump mounted on tho-body at the head of the t'nbe,

- ,a lmo'd carried by the. body and. disposed oveiitho lamp to reflect light upon the tube and revealthe position of the mercury, an electrical cir'ou t tube, a battery in 3' said lamp, said mercury being zldapted'to rise to bridge; the contacts nnd close said oi'rouit; ind push button contactssitua-ted on top ofth'e body enabling closing the cirrft independently of said mercury and rdapting: fllBii-lllh'lOStflll to the use of a portaible flashlight; v.

ular body haying asight opening-and a sleevoenabling souring'the bodyto'a radiator sup, n thermometer'tuho nteringthe' sl ove and evteniling past the sight opening, l i'terfy'b li mounted transversely on' tho outside or the bodynnd adjncontlo the o, moans sngaging t' barrel to keep it tei uin place, an incandescent lump sit ed the head of said tube, means by sissy which h mp m unted on the body, 2L

hood curried by tho body and disposed over the lamp to reflect iight dmynwardly, an 0180'- trical circuit comprising; a battery in the. hrrol and roniuots in the tube, said c n;- 3 living adaptedrto be bridged by morin tho "tube to light the lamp which is -iru-ludod in said rircuit and push button iiilliliiPtS loratod 21lji1 lliZ-ll(.i thorim of the body near the to]; onablmg 'rozidy olosuro embracing contacts in the barrel and the aforeradiator thermostat. comprising {i cirthereof by gm ping the thermostat and using y it us i. portable flashlight.

ABRAHAM ISAAC imPLou 

